newGroup method
Implementation
@override
Future<Map<String, dynamic>> newGroup(
List<String> inboxIds, Map<String, String> options) async {
await _ensureInitialized();
final conv = await rust_groups.newGroup(
inboxIds: inboxIds,
name: options['name'],
imageUrlSquare: options['imageUrl'],
description: options['description'],
);
return _conversationInfoToMap(conv);
}